Hours of fun with SainSmart Jr. wooden alphabet blocks. as a traditional toys your kids can learn building, stacking, counting and all kinds of hands-on early learning! there are 40 blocks in total, 1 of each letter, with uppercase on one side, lowercase on the other, Both colored, with duplicates for letters a, C, B, I, O, and T. There are also 5 blocks with colored numbers, 0-9, with 2 numbers per side, along with addition, subtraction, plus minus and equals signs, and a seemingly random question mark. The carved and stamped ABC and 1-2-3 theme encourages counting and problem-solving skills. Made of high quality solid wooden that will be enjoyed by your family for generations! specification: ∙ material: natural solid wood> ∙ cube size: 1. 8 inch (45mm) ∙ blocks: 40 wooden blocks> ∙ Recommended age: 18+ months features: ∙ 1. 8 inch Perfect size for small hand> ∙ come with storage bag ∙ Full 26 alphabet letters> ∙ 8 counting and math blocks> ∙ extra 6 duplicates for common letters> ∙ colorful collection of pictures, letters, and numbers> ∙ perfect for word recognition, matching, stacking and sorting> ∙ hand-eye coordination> ∙ distinguish color> ∙ distinguish letters what you get: 40*SainSmart Jr. Wooden blocks